body,h1,h2,h3,h4,h5,h6,p,ul,ol,li,input{
    margin: 0;
    padding: 0;
}

html,body{
    width: 100%;
    height: 100%;
}
ul,li,ol{
    list-style: none;
}
a{
    text-decoration: none;
    color:#999
}
*{
    box-sizing: border-box;
}

/* @media only screen and (-webkit-device-pixel-ratio: 2 )
  .border-1px
    &::before
      transform scaleY(.5)

@media only screen and (-webkit-device-pixel-ratio: 3 )
  .border-1px
    &::before
      transform scaleY(.333333) */

